#647DEF#647DEF

#647DEF is a light, vivid blue. Relative luminance 0.236; OKLCH L 62.7% C 0.172 H 271.3°. Best body text is #000000 at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#647DEF
RGB	rgb(100, 125, 239)
HSL	hsl(229, 81%, 66%)
HSV	hsv(229, 58%, 94%)
CMYK	cmyk(58.2%, 47.7%, 0%, 6.3%)
CIE-LAB	lab(55.69, 24.33, -60.34)
CIE-LCH	lch(55.69, 65.06, 291.96°)
OKLab	oklab(62.71% 0.004 -0.1724)
OKLCH	oklch(62.71% 0.172 271.3)
XYZ	xyz(28.1640, 23.6063, 84.7169)
Luminance	0.2361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DEF #EFD664

analogous

#64C3EF #647DEF #9164EF

triadic

#647DEF #EF647D #7DEF64

tetradic

#647DEF #EF64C3 #EFD664 #64EF91

square

#647DEF #EF64C3 #EFD664 #64EF91

split-complementary

#647DEF #EF9164 #C3EF64

monochromatic

#1434C4 #2D4EE9 #647DEF #9BACF5 #D3DAFA

Accessibility & contrast

On white

3.67

#647DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.72

#647DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DEF

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DEF	#FFFFFF	#000000	##000000
##647DEF	1.00	3.67	5.72	5.72
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.72	21.00	1.00	1.00
##000000	5.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#448CF3

Deuteranopia (green-blind)

#2D80ED

Tritanopia (blue-blind)

#0097AB

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #647def;
/* rgb */ color: rgb(100, 125, 239);
/* oklch */ color: oklch(62.7% 0.172 271.3);

Tailwind

colors: {
  custom: {
    50: '#9ba2f5',
    500: '#647def',
    950: '#000000',
  },
}

SCSS

$custom: #647def;
$custom-light: #9ba2f5;
$custom-dark: #000000;

JSON

{
  "hex": "#647def",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 239
  },
  "hsl": {
    "h": 229.209,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.62709,
    "c": 0.17245,
    "h": 271.3
  },
  "luminance": 0.23609
}

Semantic roles & 50–950 ramp

primary

#647DEF

secondary

#EEE6C1

accent

#B708DE

background

#FAF9FF

surface

#F4F2FE

border

#CECCD6

text

#0F0F17

muted

#7F7E85

Preview Lab

Preview with #647DEF

Body copy rendered with the generated semantic roles for this colour.

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